(56593) Patek Philippe Moonphase Power Reserve, 5015J, 5015, 18k yellow gold on a strap with a matching 18k yellow gold deployment buckle, automatic movement, moon phase, offset constant seconds & power reserve indicator, white lacquer dial, hinged back case with movement display, sapphire crystal, water-resistant. Diameter: 36mm, Thickness: 10mm. Excellent Condition with Patek Philippe box and Extract from the Archives dated 1994.